Kabu-FESH Set Elektro B, the Franconian introduction system for the electrical sector, is a one-sector house introduction set for buildings without basements, designed for installation in the foundation slab. The set includes a high-quality cable protection pipe, Kabuflex R plus type 750, a wall collar set, a sand-tight end cap SD, and the leak-tested inner seal Kabu-IN DD for the safe passage of an electrical or telecommunications cable. This house introduction is used for embedding in the foundation slab. The advantages of the system lie in the straightforward installation of the cable protection pipe up to the house connection room, the easy shortening of the pipe to the required height of the floor structure, and the individual adaptation to different cable diameters on-site through the segment ring technology of the Kabu-IN DD seal. Gas and pressure water tightness: Type 75 up to 1.5 bar and Type 110 up to 1 bar, tested according to DVGW VP 601. Application area: W1-E according to DIN 18533, WU concrete of load classes 1 and 2. The system is suitable for installation according to TAB 2019, VDE-AR-N 4100, and DIN 18012. CE-compliant and VDE-approved cable protection pipe according to DIN EN 61386-24 with classification N750. DIN EN 61386-24 pressure load type 750.